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Accounting Policies (Derivative Financial Instruments) (Details) - USD ($)
12 Months Ended
Dec. 30, 2016
Jan. 01, 2016
Derivative [Line Items]    
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities $ 0  
Allowance for Doubtful Accounts Receivable, Current 5,000,000 $ 5,000,000
Forward Contracts [Member]    
Derivative [Line Items]    
Derivative financial instruments accounted for as hedges $ 0 $ 0